Star system
Tolun
Economy
Terraforming / Colony
Government
Confederacy
Allegiance
Federation
Star type
Class K star Scoopable
Coordinates
133.44 / -17.13 / -68.25
Permit required
No
︎ Tolun A - Class K star
Body distance-Solar masses0.5820Solar radius0.6546︎ Tolun B - Class M star
Body distance6,758 LsSolar masses0.2617Solar radius0.4122︎ Tolun B 1 - High metal content world
Body distance6,683 LsEarth masses0.1048Radius3,024 kmGravity0.47 gSurface temperature293 K (20°C/68°F)Surface pressure1.54 atmVolcanismAtmosphereNitrogenTerraformingTerraforming︎ Tolun B 2 - High metal content world Landable
Body distance6,717 LsEarth masses0.1652Radius3,486 kmGravity0.55 gSurface temperature217 K (-56°C/-69°F)Surface pressure0.01 atmVolcanismAtmosphereThin Carbon dioxideTerraforming︎ Tellurium: 1.2%︎ Mercury: 1.0%︎ Molybdenum: 1.5%︎ Germanium: 4.6%︎ Manganese: 9.2%︎ Vanadium: 5.5%︎ Carbon: 13.3%︎ Iron: 22.4%︎ Nickel: 16.9%︎ Phosphorus: 8.5%︎ Sulphur: 15.8%︎ Tolun B 2 a - Rocky body Landable
Body distance6,657 LsEarth masses0.0068Radius1,307 kmGravity0.16 gSurface temperature190 K (-83°C/-117°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 3.0%︎ Technetium: 0.8%︎ Mercury: 0.9%︎ Tin: 1.3%︎ Manganese: 8.8%︎ Zirconium: 2.5%︎ Carbon: 16.1%︎ Iron: 21.3%︎ Nickel: 16.1%︎ Phosphorus: 10.3%︎ Sulphur: 19.1%︎ Tolun B 3 - Gas giant with water-based life
Body distance6,787 LsEarth masses616.1350Radius71,422 kmGravity4.91 gSurface temperature209 K (-64°C/-83°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Tolun C - Class M star
Body distance142,311 LsSolar masses0.3633Solar radius0.5824︎ Tolun C 7 - Icy body
Body distance135,578 LsEarth masses1.4253Radius8,657 kmGravity0.77 gSurface temperature35 K (-238°C/-397°F)Surface pressure0.28 atmVolcanismWater geysersAtmosphereNeon-richTerraforming︎ Tolun C 6 - Icy body
Body distance138,564 LsEarth masses2.5441Radius10,227 kmGravity0.99 gSurface temperature39 K (-234°C/-389°F)Surface pressure0.50 atmVolcanismMajor Water geysersAtmosphereHeliumTerraforming︎ Tolun C 6 a - Icy body Landable
Body distance138,531 LsEarth masses0.0765Radius3,701 kmGravity0.23 gSurface temperature38 K (-235°C/-391°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Tellurium: 0.8%︎ Cadmium: 0.9%︎ Mercury: 0.5%︎ Chromium: 5.2%︎ Manganese: 4.8%︎ Zinc: 3.2%︎ Carbon: 22.6%︎ Iron: 11.7%︎ Nickel: 8.8%︎ Phosphorus: 14.5%︎ Sulphur: 26.9%︎ Tolun C 5 - Icy body
Body distance140,546 LsEarth masses4.8049Radius12,240 kmGravity1.30 gSurface temperature62 K (-211°C/-348°F)Surface pressure0.88 atmVolcanismMajor Water geysersAtmosphereHeliumTerraforming︎ Tolun C 4 - Icy body
Body distance141,570 LsEarth masses3.5912Radius11,290 kmGravity1.15 gSurface temperature429 K (156°C/313°F)Surface pressure15,678.56 atmVolcanismMajor Water geysersAtmosphereThick Methane-richTerraforming︎ Tolun C 4 a - Icy body Landable
Body distance141,384 LsEarth masses0.0437Radius3,089 kmGravity0.19 gSurface temperature77 K (-197°C/-322°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 4.3%︎ Technetium: 0.4%︎ Cadmium: 0.9%︎ Tungsten: 0.7%︎ Chromium: 5.4%︎ Zirconium: 1.4%︎ Carbon: 23.3%︎ Iron: 12.0%︎ Nickel: 9.1%︎ Phosphorus: 14.9%︎ Sulphur: 27.7%︎ Tolun C 3 - High metal content world
Body distance142,246 LsEarth masses0.7611Radius5,696 kmGravity0.95 gSurface temperature123 K (-150°C/-238°F)Surface pressure24.93 atmVolcanismAtmosphereThick Argon-richTerraforming︎ Tolun C 1 - Water world
Body distance142,364 LsEarth masses0.7065Radius5,569 kmGravity0.93 gSurface temperature296 K (23°C/73°F)Surface pressure61.30 atmVolcanismAtmosphereThick Argon-richTerraforming︎ Tolun C 2 - High metal content world
Body distance142,495 LsEarth masses0.9027Radius5,996 kmGravity1.02 gSurface temperature150 K (-123°C/-189°F)Surface pressure15.49 atmVolcanismAtmosphereThick Argon-richTerraforming